Gaya APA

Wild, J, J. et al (2009). A World of Oportunity: Fiscal 2007 annual report (1). United States of America: McGraw-Hill Book Company.

Gaya MLA

Wild, Jhon, J.. et al. "A World of Oportunity: Fiscal 2007 annual report". 1 United States of America: McGraw-Hill Book Company, 2009. Text.